Assessment of air ingress to steam systems

Details Assessment of air ingress to steam systems Assessment of air ingress to steam systems

1992-09-17

1994-05-24

Chilcot, Jr., Richard E.

Measuring and testing

Volume or rate of flow

Combined

7386165, G01F 146, G01F 1500

Patent

active

053138309

ABSTRACT:
The specification discloses an apparatus for assessing the ingress of air into a steam system which includes a steam condenser having an exit, a vacuum pump arrangement for maintaining the exit under a partial vacuum, and pipework connecting the exit to the vacuum pump arrangement. A pitot probe is positioned at a first monitoring point in the pipework to sense the total dynamic and static pressure of the entire flow in that pipework. A second probe is positioned at a second monitoring point which is displaced from the first monitoring point and adjacent the exit from the condenser, to sense the static pressure and temperature at that second monitoring point. An indication of the amount of air flowing past said first monitoring point is derived from the total pressure, the static pressure and the temperature, which are measured at the first and second monitoring points.

REFERENCES:
patent: 4420969 (1983-12-01), Saum
patent: 4594888 (1986-06-01), DeBaun et al.

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